Valerie Singleton appeals on behalf of SOS Sahel. A donation of 15 pounds could train a water committee in Sudan enabling a community to share precious water - helping to preserve peace. If you are a UK taxpayer, please provide SOS Sahel with your full name and address so they can claim the Gift Aid on your donation - worth another 25 percent. Online and phone donation facilities are not currently available to listeners without a UK postcode. Registered Charity No 296311. Donations: Freepost BBC Radio 4 Appeal, please mark the back of your envelope SOS Sahel. Credit cards: Freephone 0800 404 8144.